Author: "N. Sotnikova" - Searchworks@Jio Institute Digital Library Search Results

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187 results on '"N. Sotnikova"'

151. Evidence of color coherence effects in W + jets events from pp collisions at √s = 1.8 TeV

Author: B. Abbott, M. Abolins, V. Abramov, B.S. Acharya, I. Adam, D.L. Adams, M. Adams, S. Ahn, V. Akimov, G.A. Alves, N. Amos, E.W. Anderson, M.M. Baarmand, V.V. Babintsev, L. Babukhadia, A. Baden, B. Baldin, S. Banerjee, J. Bantly, E. Barberis, P. Baringer, J.F. Bartlett, A. Belyaev, S.B. Beri, I. Bertram, V.A. Bezzubov, P.C. Bhat, V. Bhatnagar, M. Bhattacharjee, G. Blazey, S. Blessing, P. Bloom, A. Boehnlein, N.I. Bojko, F. Borcherding, C. Boswell, A. Brandt, R. Breedon, G. Briskin, R. Brock, A. Bross, D. Buchholz, V.S. Burtovoi, J.M. Butler, W. Carvalho, D. Casey, Z. Casilum, H. Castilla-Valdez, D. Chakraborty, K.M. Chan, S.V. Chekulaev, W. Chen, D.K. Cho, S. Choi, S. Chopra, B.C. Choudhary, J.H. Christenson, M. Chung, D. Claes, A.R. Clark, W.G. Cobau, J. Cochran, L. Coney, W.E. Cooper, D. Coppage, C. Cretsinger, D. Cullen-Vidal, M.A.C. Cummings, D. Cutts, O.I. Dahl, K. Davis, K. De, K. Del Signore, M. Demarteau, D. Denisov, S.P. Denisov, H.T. Diehl, M. Diesburg, G. Di Loreto, P. Draper, Y. Ducros, L.V. Dudko, S.R. Dugad, A. Dyshkant, D. Edmunds, J. Ellison, V.D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov, O.V. Eroshin, J. Estrada, H. Evans, V.N. Evdokimov, T. Fahland, M.K. Fatyga, S. Feher, D. Fein, T. Ferbel, H.E. Fisk, Y. Fisyak, E. Flattum, G.E. Forden, M. Fortner, K.C. Frame, S. Fuess, E. Gallas, A.N. Galyaev, P. Gartung, V. Gavrilov, T.L. Geld, R.J. Genik II, K. Genser, C.E. Gerber, Y. Gershtein, B. Gibbard, G. Ginther, B. Gobbi, B. Gómez, G. Gómez, P.I. Goncharov, J.L. González Solı́s, H. Gordon, L.T. Goss, K. Gounder, A. Goussiou, N. Graf, P.D. Grannis, D.R. Green, J.A. Green, H. Greenlee, S. Grinstein, P. Grudberg, S. Grünendahl, G. Guglielmo, J.A. Guida, J.M. Guida, A. Gupta, S.N. Gurzhiev, G. Gutierrez, P. Gutierrez, N.J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian, K.S. Hahn, R.E. Hall, P. Hanlet, S. Hansen, J.M. Hauptman, C. Hays, C. Hebert, D. Hedin, A.P. Heinson, U. Heintz, R. Hernández-Montoya, T. Heuring, R. Hirosky, J.D. Hobbs, B. Hoeneisen, J.S. Hoftun, F. Hsieh, Tong Hu, A.S. Ito, J. Jaques, S.A. Jerger, R. Jesik, T. Joffe-Minor, K. Johns, M. Johnson, A. Jonckheere, M. Jones, H. Jöstlein, S.Y. Jun, S. Kahn, D. Karmanov, D. Karmgard, R. Kehoe, S.K. Kim, B. Klima, C. Klopfenstein, B. Knuteson, W. Ko, J.M. Kohli, D. Koltick, A.V. Kostritskiy, J. Kotcher, A.V. Kotwal, A.V. Kozelov, E.A. Kozlovsky, J. Krane, M.R. Krishnaswamy, S. Krzywdzinski, M. Kubantsev, S. Kuleshov, Y. Kulik, S. Kunori, F. Landry, G. Landsberg, A. Leflat, J. Li, Q.Z. Li, J.G.R. Lima, D. Lincoln, S.L. Linn, J. Linnemann, R. Lipton, J.G. Lu, A. Lucotte, L. Lueking, A.K.A. Maciel, R.J. Madaras, R. Madden, L. Magaña-Mendoza, V. Manankov, S. Mani, H.S. Mao, R. Markeloff, T. Marshall, M.I. Martin, R.D. Martin, K.M. Mauritz, B. May, A.A. Mayorov, R. McCarthy, J. McDonald, T. McKibben, J. McKinley, T. McMahon, H.L. Melanson, M. Merkin, K.W. Merritt, C. Miao, H. Miettinen, A. Mincer, C.S. Mishra, N. Mokhov, N.K. Mondal, H.E. Montgomery, M. Mostafa, H. da Motta, F. Nang, M. Narain, V.S. Narasimham, A. Narayanan, H.A. Neal, J.P. Negret, P. Nemethy, D. Norman, L. Oesch, V. Oguri, N. Oshima, D. Owen, P. Padley, A. Para, N. Parashar, Y.M. Park, R. Partridge, N. Parua, M. Paterno, B. Pawlik, J. Perkins, M. Peters, R. Piegaia, H. Piekarz, Y. Pischalnikov, B.G. Pope, H.B. Prosper, S. Protopopescu, J. Qian, P.Z. Quintas, R. Raja, S. Rajagopalan, O. Ramirez, N.W. Reay, S. Reucroft, M. Rijssenbeek, T. Rockwell, M. Roco, P. Rubinov, R. Ruchti, J. Rutherfoord, A. Sánchez-Hernández, A. Santoro, L. Sawyer, R.D. Schamberger, H. Schellman, J. Sculli, E. Shabalina, C. Shaffer, H.C. Shankar, R.K. Shivpuri, D. Shpakov, M. Shupe, R.A. Sidwell, H. Singh, J.B. Singh, V. Sirotenko, P. Slattery, E. Smith, R.P. Smith, R. Snihur, G.R. Snow, J. Snow, S. Snyder, J. Solomon, X.F. Song, M. Sosebee, N. Sotnikova, M. Souza, N.R. Stanton, G. Steinbrück, R.W. Stephens, M.L. Stevenson, F. Stichelbaut, D. Stoker, V. Stolin, D.A. Stoyanova, M. Strauss, K. Streets, M. Strovink, A. Sznajder, P. Tamburello, J. Tarazi, M. Tartaglia, T.L.T. Thomas, J. Thompson, D. Toback, T.G. Trippe, P.M. Tuts, V. Vaniev, N. Varelas, E.W. Varnes, A.A. Volkov, A.P. Vorobiev, H.D. Wahl, J. Warchol, G. Watts, M. Wayne, H. Weerts, A. White, J.T. White, J.A. Wightman, S. Willis, S.J. Wimpenny, J.V.D. Wirjawan, J. Womersley, D.R. Wood, R. Yamada, P. Yamin, T. Yasuda, P. Yepes, K. Yip, C. Yoshikawa, S. Youssef, J. Yu, Y. Yu, M. Zanabria, Z. Zhou, Z.H. Zhu, M. Zielinski, D. Zieminska, A. Zieminski, V. Zutshi, E.G. Zverev, and A. Zylberstejn
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Monte Carlo method, Detector, Tevatron, High Energy Physics::Experiment, Fermilab, Coherence (physics)
Abstract: We report the results of a study of color coherence effects in pp collisions based on data collected by the DØ detector during the 1994-1995 run of the Fermilab Tevatron Collider, at a center of mass energy √s = 1.8 TeV. Initial-to-final state color interference effects are observed by examining particle distribution patterns in events with a W boson and at least one jet. The data are compared to Monte Carlo simulations with different color coherence implementations and to an analytic modified-leading-logarithm perturbative calculation based on the local parton-hadron duality hypothesis. © 1999 Published by Elsevier Science B.V. All rights reserved.

152. Measurement of the top quark pair production cross section in the all-jets decay channel

Author: A. Baden, G. C. Blazey, R. J. Madaras, S. H. Ahn, F. Landry, John Rutherfoord, Mary Beth Adams, R. Piegaia, F. Borcherding, Bobby Samir Acharya, H. A. Neal, V. N. Evdokimov, Gervasio Gomez, P. Padley, Alexey Volkov, M. M. Baarmand, Sarah Catherine Eno, H. C. Shankar, I. Adam, P. Rubinov, S. Feher, Robert Hirosky, B. Gibbard, F. Nang, K. Yip, K. S. Hahn, G. Eppley, Greg Landsberg, T. L. Geld, David Cutts, M. Paterno, C. Cretsinger, Alexander Leflat, M. Strovink, A.S. Dyshkant, A. Zieminski, James H Cochran, S. Youssef, S. Choi, S. Grünendahl, P. Gartung, Andrew White, C. Murphy, T. Heuring, W. Y. Chen, Michael A. Strauss, C. Shaffer, D. Cullen-Vidal, J. M. Hauptman, Cecilia Elena Gerber, K. W. Merritt, N. N. Biswas, H. da Motta, M. I. Martin, D. Zieminska, D. Lincoln, J. Bantly, Vasken Hagopian, C. K. Jung, V. Stolin, Mitchell Wayne, H. Schellman, J. M. Kohli, V. Manankov, H. E. Fisk, V. V. Babintsev, Gilvan Alves, J. M. Guida, S. Fuess, V. S. Narasimham, D. Hedin, Joan A. Guida, M. Bhattacharjee, Pm Tuts, A. Boehnlein, S. A. Jerger, J. Thompson, C. Klopfenstein, M. Mostafa, Kenneth Johns, M. Chung, B. Hoeneisen, G. Guglielmo, Lev Dudko, A. Sanchez-Hernandez, Jianming Qian, Andrew Brandt, R. Engelmann, A. A. Mayorov, V. A. Bezzubov, John Hobbs, H. Jöstlein, R. P. Smith, C. Boswell, A. L. Lyon, Shuichi Kunori, T. G. Trippe, M. Tartaglia, G. Di Loreto, Z. H. Zhu, R. Partridge, Robert Kehoe, M. K. Fatyga, M. Peters, Alexander Belyaev, A. S. Ito, F. Stichelbaut, J. Snow, J. H. Christenson, V. Gavrilov, S. Y. Jun, J. Perkins, E. A. Kozlovsky, T. L.T. Thomas, H.E. Miettinen, V. Vaniev, D. Denisov, G. Briskin, J. Jaques, C. Yoshikawa, Michael Shupe, Young-Sang Yu, Heriberto Castilla-Valdez, N. Parua, V.V. Abramov, Elizabeth Gallas, Shashikant Dugad, Ron Lipton, H. E. Montgomery, S. Grinstein, B. Zhang, C. S. Mishra, A. Zylberstejn, J. Womersley, P. Mooney, Joginder Singh, Sharon Hagopian, D. Shpakov, Tong Hu, Suman Bala Beri, H. L. Melanson, R. Hernández-Montoya, Y. Fisyak, B. Gómez, D. Karmanov, J. Linnemann, Srinivasan Rajagopalan, T. Fahland, Thomas Ferbel, D. Edmunds, E. Smith, Y. Kulik, A. V. Kotwal, L. Lueking, W. G. Cobau, N. Sotnikova, J. Krane, D. Coppage, E. G. Zverev, K. Del Signore, Matthew Jones, Eunil Won, Harrison Prosper, Brajesh C Choudhary, Marvin Johnson, Emanuela Barberis, B. May, A. Bross, J. Moromisato, Arnaud Lucotte, J. F. Bartlett, P. Bloom, J. A. Wightman, Steve Reucroft, Li Jingyuan, R. L. McCarthy, M. Abolins, E. Flattum, R. Yamada, A. V. Kostritskiy, N. Mokhov, L. Sawyer, N. I. Bojko, H. Weerts, T. Joffe-Minor, T. Marshall, Richard Breedon, H. Greenlee, F. Lobkowicz, H. D. Wahl, Winston Ko, Meenakshi Narain, B. Gobbi, N. Parashar, K. Genser, T. Rockwell, Iain Alexander Bertram, R. Snihur, J. P. Negret, Howard Gordon, K. C. Frame, L. Coney, O. Ramirez, J. McKinley, L. Babukhadia, Michael Rijssenbeek, H. T. Diehl, Anurag Gupta, Y. M. Park, D. P. Stoker, H. Singh, Randy Ruchti, Peter Nemethy, M. Sosebee, G. Steinbrück, Wagner Carvalho, Brad Abbott, S. Kuleshov, M. Zielinski, D. Casey, J. Kotcher, A. Narayanan, Z. Zhou, J. Solomon, M. Roco, P. Hanlet, Ulrich Heintz, P. Grudberg, Qiming Li, Sergey Denisov, J. Ellison, A. K.A. Maciel, O. I. Dahl, M. R. Krishnaswamy, R. J. Genik, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, D. Koltick, G. E. Forden, A. P. Heinson, F. Hsieh, Gordon Watts, N. Graf, S. Krzywdzinski, E. W. Anderson, A. Jonckheere, V. Sirotenko, K. Streets, Vipin Bhatnagar, T. Yasuda, A. R. Clark, D. A. Stoyanova, D. Stewart, S. N. Gurzhiev, O. V. Eroshin, Phillip Gutierrez, Sergey Chekulaev, P. I. Goncharov, J. McDonald, B. Baldin, T. McMahon, S. Hansen, D. Owen, R. E. Hall, Andre Sznajder, J. T. White, Allen Mincer, J. L. González Solís, Z. Casilum, Y. Ducros, D. Norman, Z. Wu, Yuri Gershtein, C. Miao, H. S. Mao, D. L. Adams, H. Haggerty, N. Amos, N. K. Mondal, J. Tarazi, L. T. Goss, L. Oesch, D. Fein, M. Fortner, S. Protopopescu, G. Wang, Alberto Santoro, J. G.R. Lima, M. H.G. Souza, G. Kalbfleisch, Victor Daniel Elvira, Erich Varnes, Seong Keun Kim, Daniel John Karmgard, K. M. Mauritz, C. Hebert, A. V. Kozelov, M. L. Stevenson, Dhiman Chakraborty, Philip Baringer, J. Warchol, V. S. Burtovoi, W. E. Cooper, S. Banerjee, T. McKibben, J. Yu, D. Buchholz, Y. Pischalnikov, P. Tamburello, S. Chopra, Anna Goussiou, P. Z. Quintas, Stephen Wimpenny, A. N. Galyaev, B. Pawlik, Gregory R Snow, D. R. Green, Darien Wood, Nicholas John Hadley, S. Blessing, Daniel R Claes, Scott Snyder, R. Markeloff, R. K. Shivpuri, P. Yepes, R. Jesik, B. G. Pope, Kaushik De, Elizaveta Shabalina, R. D. Schamberger, L. Magaña-Mendoza, G. Gutierrez, J. V. D. Wirjawan, P. Ermolov, V. Oguri, M. Merkin, A. Para, Pushpalatha C Bhat, K. Gounder, B. Lauer, M. A.C. Cummings, J. Sculli, M. Diesburg, Nikos Varelas, Raymond Brock, Boaz Klima, S.A. Kahn, S. Willis, M. Demarteau, A. P. Vorobiev, R. Raja, Stephan Linn, N. Oshima, P. Yamin, S. Mani, R. Madden, Peter W. Draper, and R. W. Stephens
Subjects: Physics, Top quark, Particle physics, High Energy Physics::Phenomenology, General Physics and Astronomy, FOS: Physical sciences, Neural network analysis, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pair production, Production (computer science), High Energy Physics::Experiment, Nuclear Experiment, Lepton
Abstract: We present a measurement of tbar-t production using multijet final states in pbar-p collisions at a center-of-mass energy of 1.8 TeV, with an integrated luminosity of 110.3 pb(-1). The analysis has been optimized using neural networks to achieve the smallest expected fractional uncertainty on the tbar-t production cross section, and yields a cross section of 7.1 +/- 2.8(stat.) +/- 1.5(syst.) pb, assuming a top quark mass of 172.1 GeV/c^(2). Combining this result with previous D0 measurements, where one or both of the W bosons decay leptonically, gives a tbar-t production cross section of 5.9 +/- 1.2(stat) +/- 1.1(syst) pb., 6 pages, 3 figures; no substative change in revision

153. Experimental search for chargino and neutralino production in supersymmetry models with a light gravitino

Author: N.V. Mokhov, J. T. White, D. A. Stoyanova, K. M. Mauritz, A. P. Heinson, S. Lami, P.F. Ermolov, Gervasio Gomez, R. K. Shivpuri, R. E. Hall, J. L. González Solís, A.P. Vorobev, Adam L. Lyon, Gordon Watts, V. Sirotenko, W. Anderson, B. Baldin, D. R. Claes, M. Tartaglia, Z. Casilum, D. Hedin, C. Shaffer, D. Cullen-Vidal, A. Goldschmidt, N. N. Biswas, Elizabeth Gallas, H. Jostlein, O. V. Eroshin, Phillip Gutierrez, B. May, M. Nicola, Y. Ducros, J. B. Singh, Kaushik De, Robert Hirosky, M. Sosebee, Wesley M. Smart, Y. Fisyak, R. Lander, R. Astur, R. J. Madaras, G. Finocchiaro, S. Feher, J. Featherly, Hui Li, Victor Daniel Elvira, S. Chopra, J. Bantly, Ting Hu, Marvin Johnson, A. V. Kozelov, S. P. Denisov, M. R. Krishnaswamy, F. Hsieh, Marc M Baarmand, H. D. Wahl, V. Burtovoy, S. Krzywdzinski, V. I. Kochetkov, S. M. Chang, A. Zieminski, James H Cochran, Mitchell Wayne, B. Gobbi, G.E. Forden, A. D. Bross, C. S. Mishra, H. Schellman, J. M. Kohli, S. C. Loken, A. Zylberstejn, P. C. Bhat, F. Lobkowicz, A. R. Clark, A. Para, Andrew Brandt, R. Engelmann, Liu Chen, Sergey Chekulaev, R. Jesik, J. Thompson, H. Greenlee, M. H.G. Souza, B. Gómez, T. Rockwell, Iain Alexander Bertram, Peter Nemethy, R. W. Stephens, Vasken Hagopian, H. Weerts, G. Eppley, S. Youssef, S. Choi, Ulrich Heintz, Michael Rijssenbeek, M. Kelly, Shuichi Kunori, Joan A. Guida, M. Merkin, Z. H. Zhu, D. P. Stoker, B.Paul Padley, I. Adam, K. W. Merritt, T. Huehn, D. Fein, D. Chakraborty, B. Gibbard, J. Sculli, Robert J. McCarthy, A. Sanchez-Hernandez, Lev Dudko, C. Klopfenstein, J. M. Guida, Stefan Gruenendahl, T. Yasuda, E. A. Kozlovsky, H.E. Miettinen, K. A. Johns, L. Magaña-Mendoza, S. Y. Jun, T. L.T. Thomas, Hugh E. Montgomery, M. Diesburg, S. A. Jerger, D. Owen, Matthew Jones, J. Tarazi, P. Yamin, Sissel Hansen, Don Lincoln, Erich Varnes, E. Flattum, D. Casey, J. Kotcher, V. N. Evdokimov, D.S. Koltick, J. T. Linnemann, A. L. Spadafora, V. A. Bezzubov, J. F. Bartlett, Robert Kehoe, Yanwen Liu, Nikos Varelas, Kathleen R. Turner, D. Buchholz, J. P. Negret, H. da Motta, J. G.R. Lima, W. Y. Chen, George R. Kalbfleisch, A. S. Ito, Sándor Lökös, R. P. Smith, P. Tamburello, P. I. Goncharov, Heng Xu, Norman A. Amos, S. Mani, R. Madden, J. Yang, L. Rasmussen, Anna Goussiou, A. V. Kotwal, G. Wang, Alberto Santoro, H. Haggerty, Robert Snihur, A. Gupta, Stephen Wimpenny, M. Demarteau, T. G. Trippe, Peter W. Draper, N. Graf, Q. Z. Li-Demarteau, V. S. Narasimham, N. Sotnikova, G. Di Loreto, D. Denisov, Alexander Belyaev, K. Bazizi, V. M. Podstavkov, Srinivasan Rajagopalan, Thomas Ferbel, C. Cretsinger, T. Marshall, M. Strovink, H. Lan, E. James, Sharon Hagopian, J. A. Wightman, E. Amidi, J. V.D. Wirjawan, Gregory R Snow, P. Rubinov, Cecilia Elena Gerber, C. T. Murphy, J. M. Hauptman, N. Parua, Randy Ruchti, Jing Li, M. Abolins, Darien Wood, Nicholas John Hadley, A. K.A. Maciel, Gilvan Alves, M. Fortner, J. Perkins, T. Fahland, H. L. Melanson, P. Z. Quintas, Meenakshi Narain, Harrison Prosper, M. Bhattacharjee, P. Gartung, G. Guglielmo, S. Blessing, P. Mooney, M.K. Fatyga, A. Jonckheere, R. Piegaia, S. K. Kim, Yu. Pishchalnikov, Jianming Qian, Scott Snyder, P. Hanlet, Raymond Brock, Boaz Klima, J. H. Christenson, N. K. Mondal, A. A. Mayorov, R. Markeloff, H. T. Diehl, H. Singh, Stephan Linn, V. Oguri, N. Grossman, D. Stewart, J. Krane, Sebastien Jonathan Kahn, David H. Adams, John M. Butler, M. K. Fatyga, A. Narayanan, C. L. Kim, A. Boehnlein, T.R. McMahon, P. M. Sood, M. Paterno, M. L. Stevenson, S.N. Gurzhev, Allen Mincer, J. Z.Y. Jiang, P. Yepes, A.V. Kostritsky, Andrew White, J. Ellison, D. Norman, N. Oshima, Sebastian Grinstein, J. Warchol, S. Fuess, Daria Zieminska, K. Genser, L. T. Goss, J. Snow, A.R. Hernandez-Montoya, S. Willis, M. Pang, Vipin Bhatnagar, P. Grudberg, Rajendran Raja, Y. E. Gutnikov, Heriberto Castilla-Valdez, Tong Hu, R. Partridge, J. Kourlas, A. N. Galyaev, Q. Liu, John Hobbs, Brad Abbott, M. R. Adams, H. S. Mao, Young-Sang Yu, N. A. Roe, S. R. Dugad, L. Lueking, W. E. Cooper, T. Joffe-Minor, C. Yanagisawa, K. Gounder, R Dean Schamberger, S. Reucroft, K. Del Signore, Jong-Sung Yu, B. Lauer, M. A.C. Cummings, H. E. Fisk, Alexey Volkov, B. Hoeneisen, Lee Sawyer, J. Solomon, C. Yoshikawa, Howard Gordon, K. C. Frame, Y. M. Park, O. Ramirez, A. Klatchko, M. Chung, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, M. Goforth, J. Jaques, A. Baden, J. Womersley, G. C. Blazey, R. Yamada, E. G. Zverev, S. H. Ahn, Brajesh C Choudhary, Orin I. Dahl, F. Landry, John Rutherfoord, James C. Green, F. Borcherding, E. Oltman, Sarah Catherine Eno, Vyacheslav Klyukhin, F. Nang, Richard B. Lipton, K. S. Hahn, D. Cutts, S. Protopopescu, Greg Landsberg, T. L. Geld, D. Edmunds, Hiroaki Aihara, P. M. Tuts, G. P. Grim, D.R. Green, J. Balderston, Andre Sznajder, M. D. Peters, Eunil Won, P. Bloom, L. Oesch, N. I. Bojko, M. A. Shupe, J. S. Hoftun, K. Davis, P. D. Grannis, H. Piekarz, T. Heuring, S. Glenn, J. McKinley, Wagner Carvalho, A. Leflat, W. G. Cobau, M. I. Martin, F. Stichelbaut, J. S. Kang, J. McDonald, D. Vititoe, R. J. Genik, Michael A. Strauss, S. Banerjee, V. Balamurali, C. Boswell, C. K. Jung, T. McKibben, Suman Bala Beri, B. G. Pope, and Elizaveta Shabalina
Subjects: Physics, Particle physics, High Energy Physics::Phenomenology, General Physics and Astronomy, FOS: Physical sciences, Gauge (firearms), Supersymmetry breaking, Lower limit, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Chargino, Neutralino, Gravitino, High Energy Physics::Experiment, Nuclear Experiment
Abstract: We search for inclusive high $E_T$ diphoton events with large missing transverse energy in $p\bar{p}$ collisions at $\sqrt{s}$=1.8 TeV. Such events are expected from pair production of charginos and neutralinos within the framework of the minimal supersymmetric standard model with a light gravitino. No excess of events is observed. In that model, and assuming gaugino mass unification at the GUT scale, we obtain a 95% CL exclusion region in the supersymmetry parameter space and lower mass bounds of 150 GeV/c$^2$ for the lightest chargino and 75 GeV/c$^2$ for the lightest neutralino., 11 pages, 4 eps figures, To be Published in Phys. Rev. Letters

154. Direct measurement of the top quark mass by the DØ Collaboration

Author: K. Del Signore, Matthew Jones, S. A. Jerger, L. Magaña-Mendoza, M. Merkin, C. L. Kim, M. Sosebee, Hiroaki Aihara, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, Y. Ducros, V. N. Evdokimov, D.S. Koltick, P. M. Tuts, G. P. Grim, R. W. Stephens, J. Bantly, Pushpalatha C Bhat, V. A. Bezzubov, A. Leflat, Q. Z. Li-Demarteau, J. P. Negret, R. P. Smith, Michael Shupe, K. Gounder, Robert Hirosky, D. Stewart, Sun Kee Kim, J. Jaques, Ron Lipton, Andrew Brandt, Raymond Brock, Boaz Klima, R. Engelmann, S. N. Gurzhiev, Liu Chen, W. Y. Chen, R. Snihur, W. G. Cobau, M. I. Martin, A. V. Kotwal, Harrison Prosper, R. L. McCarthy, D. Norman, George R. Kalbfleisch, H.E. Miettinen, J. Womersley, B. Lauer, M. A.C. Cummings, V. S. Narasimham, Thomas G Trippe, B. Hoeneisen, E. W. Anderson, S. Willis, J. S. Kang, T. Joffe-Minor, Lee Sawyer, Randy Ruchti, H. E. Fisk, A. A. Mayorov, M. K. Fatyga, G. Steinbrück, Peter Nemethy, K. Streets, M. Roco, R. J. Madaras, D. Karmanov, J. Snow, S. M. Chang, Vipin Bhatnagar, Kenneth Johns, C. S. Mishra, J. M. Guida, D. Hedin, A. Zylberstejn, A. N. Galyaev, G. Eppley, E. G. Zverev, J. McDonald, H. da Motta, J. G.R. Lima, J. F. Bartlett, Haifeng Li, G. Guglielmo, Brajesh C Choudhary, Heriberto Castilla-Valdez, A. S. Ito, J. Solomon, Allen Mincer, Daniel R Claes, H. Ting, Sebastian Grinstein, Y. M. Park, R. Partridge, Meenakshi Narain, S. P. Denisov, Vasken Hagopian, S.A. Kahn, H. Weerts, A. Narayanan, M. Demarteau, M. Chung, P. Padley, J. Sculli, Alexey Volkov, W. E. Cooper, James H Cochran, Lev Dudko, V. Balamurali, Mitchell Wayne, H. Schellman, J. M. Kohli, T. McKibben, Nikos Varelas, M. R. Krishnaswamy, R. K. Shivpuri, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. T. Linnemann, Stefan Grünendahl, J. Thompson, Alexander Vorobiev, C. Murphy, R. Jesik, H. S. Mao, S. Fuess, D. L. Adams, Jinhong Yu, B. Gómez, F. Hsieh, Z. H. Zhu, F. Stichelbaut, B. G. Pope, Dhiman Chakraborty, A. Klatchko, Joan A. Guida, M. Tartaglia, Shashikant Dugad, R. Astur, V. Oguri, A. Para, E. Shabalina, Gordon Watts, J. T. White, M. Bhattacharjee, Kaushik De, V. Sirotenko, G. Di Loreto, O. V. Eroshin, Phillip Gutierrez, A. V. Kostritskiy, T. Heuring, S. Mani, Sissel Hansen, R. Madden, D. Denisov, L. Coney, L. Rasmussen, Peter W. Draper, Sharon Hagopian, A. Boehnlein, Sergey Chekulaev, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, H. L. Melanson, P. Z. Quintas, A. K.A. Maciel, J. Warchol, A. Jonckheere, Stephen Wimpenny, Stephan Linn, Y. Fisyak, J. H. Christenson, G. Wang, Alberto Santoro, N. Oshima, Daria Zieminska, T. Marshall, R. D. Schamberger, Darien Wood, Nicholas John Hadley, R. Piegaia, J. M. Hauptman, Cecilia Elena Gerber, S. Blessing, M. L. Kelly, Scott Snyder, Howard Gordon, E. James, K. C. Frame, O. Ramirez, Jianming Qian, R. Markeloff, I. Adam, P. Rubinov, J. V.D. Wirjawan, K. W. Merritt, B. Pawlik, A. L. Spadafora, V. Manankov, P. Hanlet, Yanwen Liu, L. Lueking, J. Kotcher, Elizabeth Gallas, B. May, G. Finocchiaro, K. Bazizi, N. Graf, B. Gobbi, Anurag Gupta, Jasvinder A. Singh, T. Yasuda, W. Smart, S. Reucroft, P. Bloom, J. A. Wightman, C. Yoshikawa, N. I. Bojko, M. L. Stevenson, A. L. Lyon, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, Shuichi Kunori, H. Piekarz, B. Baldin, P. I. Goncharov, Victor Daniel Elvira, S. Youssef, S. Choi, M. Abolins, A. Sanchez-Hernandez, P. Mooney, Robert Kehoe, N. K. Mondal, H. T. Diehl, H. Singh, P. M. Sood, J. Balderston, J. Ellison, C. K. Jung, R. L. Lander, D. Lincoln, Eunil Won, Marvin Johnson, H. D. Wahl, A. V. Kozelov, Allan G Clark, N.V. Mokhov, P. Gartung, G. E. Forden, A. P. Heinson, P. Yamin, R. E. Hall, J. L. González Solís, C. Klopfenstein, Z. Casilum, D. P. Stoker, T. Huehn, T. Fahland, D. Fein, E. Flattum, R. Hernández-Montoya, Erich Varnes, E. Smith, F. Borcherding, Andrew White, Daniel John Karmgard, P. Grudberg, T. McMahon, Y. E. Gutnikov, N. Sotnikova, J. Krane, J. Kourlas, John Hobbs, E. Oltman, Y. Pischalnikov, Ulrich Heintz, Young-Sang Yu, N. A. Roe, H. Jöstlein, M. M. Baarmand, Sarah Catherine Eno, N. Grossman, C. Cretsinger, Jing Li, Vyacheslav Klyukhin, B. Gibbard, M. Diesburg, D. Casey, M. Strovink, F. Nang, S. Krzywdzinski, K. S. Hahn, D. Owen, V. I. Kochetkov, A. Bross, D. Cutts, Greg Landsberg, J. Tarazi, H. Greenlee, Sanjay K. Banerjee, T. L. Geld, S. Glenn, J. McKinley, D. A. Stoianova, Wagner Carvalho, M. Paterno, K. M. Mauritz, S. Lami, H. Tong, Serban Protopopescu, Gilvan Alves, A. Baden, G. C. Blazey, P.F. Ermolov, Rajendran Raja, R. Yamada, S. H. Ahn, Alexander Belyaev, Orin I. Dahl, F. Landry, John Rutherfoord, V. S. Burtovoi, S. C. Loken, Mary Beth Adams, Brad Abbott, Gervasio Gomez, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, D. Buchholz, N. N. Biswas, Edilamar Menezes de Oliveira, D. Vititoe, S. Chopra, P. Tamburello, Heng Xu, Anna Goussiou, R. J. Genik, Gregory R Snow, Michael A. Strauss, M. H.G. Souza, P. Yepes, S. Feher, H. E. Montgomery, C. Boswell, A. Zieminski, S. Y. Jun, T. L.T. Thomas, Suman Bala Beri, D. Edmunds, Andre Sznajder, M. D. Peters, N. Amos, L. Oesch, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, Emanuela Barberis, J. Z.Y. Jiang, L. T. Goss, E. A. Kozlovski, H. Haggerty, S. Lökös, and N. Parua
Subjects: Physics, Quark, Nuclear and High Energy Physics, Top quark, Particle physics, Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, Tevatron, Elementary particle, Fermion, Nuclear physics, High Energy Physics::Experiment, Nuclear Experiment, Bar (unit), Boson, Lepton
Abstract: We determine the top quark mass m{sub t} using t{bar t} pairs produced in the DO/ detector by {radical} (s) =1.8thinspTeV p{bar p} collisions in a 125thinsppb{sup {minus}1} exposure at the Fermilab Tevatron. We make a two constraint fit to m{sub t} in t{bar t}{r_arrow}bW{sup +}{bar b}W{sup {minus}} final states with one {ital W} boson decaying to q{bar q} and the other to e{nu} or {mu}{nu}. Likelihood fits to the data yield m{sub t}(l+jets)=173.3{plus_minus}5.6thinsp(stat)thinsp{plus_minus}thinsp5.5thinsp(s st) GeV/c{sup 2}. When this result is combined with an analysis of events in which both {ital W} bosons decay into leptons, we obtain m{sub t}=172.1{plus_minus}5.2thinsp(stat)thinsp{plus_minus}thinsp4.9thinsp(syst) GeV/c{sup 2}. An alternate analysis, using three constraint fits to fixed top quark masses, gives m{sub t}(l+jets)=176.0{plus_minus}7.9thinsp(stat){plus_minus}thinsp4.8thinsp(syst) GeV/c{sup 2}, consistent with the above result. Studies of kinematic distributions of the top quark candidates are also presented. {copyright} {ital 1998} {ital The American Physical Society}

155. Search for additional neutral gauge bosons

Author: C. K. Jung, N. Parua, D. Edmunds, E. Neis, M. Mudan, Matthew Jones, T. Joffe-Minor, C. Yanagisawa, Andre Sznajder, R. K. Shivpuri, S. P. Denisov, P. Grudberg, B. Lauer, M. A.C. Cummings, B. Hoeneisen, T. McKibben, M. R. Krishnaswamy, H. E. Fisk, Lee Sawyer, M.K. Fatyga, A. N. Galyaev, M. V. S. Rao, F. Hsieh, A. R. Clark, J. Solomon, M. D. Peters, S. Grünendahl, A. Para, Alexander Vorobiev, Sergey Chekulaev, J. Drinkard, Y. M. Park, M. H.G. Souza, S. Igarashi, M. Tartaglia, S.A. Kahn, P. Yepes, W. E. Cooper, L. P. Chen, Q. Z. Li-Demarteau, W. Y. Chen, L. Oesch, Kaushik De, H. E. Montgomery, Daniel R Claes, M. Demarteau, R. E. Avery, Suyong Choi, B. I. Klochkov, George R. Kalbfleisch, Paolo Franzini, V. S. Narasimham, W. X. Gu, I. Adam, P. Rubinov, S. H. Aronson, Randy Ruchti, K. W. Merritt, J. F. Bartlett, A. A. Mayorov, M. K. Fatyga, Yanwen Liu, D. P. Stoker, Andrew White, L. Lueking, P. Yamin, L. Markosky, Joan A. Guida, H. D. Wahl, K. Bazizi, J. Snow, C. S. Mishra, S. Mani, L. Magaña-Mendoza, T. McMahon, Y. E. Gutnikov, A. L. Spadafora, G. Di Loreto, M. L. Kelly, P. I. Goncharov, W. Guryn, Howard Gordon, K. C. Frame, J. Kourlas, O. Ramirez, G. Guglielmo, T. G. Trippe, L. T. Kerth, S. Glenn, J. McKinley, R. Madden, D. Buchholz, S. A. Jerger, L. Rasmussen, D. A. Stoianova, Peter W. Draper, A. Leflat, G. Wang, Alberto Santoro, A. L. Lyon, Shuichi Kunori, P. Tamburello, Wagner Carvalho, Elizabeth Gallas, R. Hatcher, D. Denisov, Heng Xu, W. G. Cobau, M. I. Martin, Raymond Brock, Boaz Klima, John Hobbs, J. Borders, Vasken Hagopian, H. Weerts, Sharon Hagopian, M. Bhattacharjee, Srinivasan Rajagopalan, P. A. Rapidis, Thomas Ferbel, J. M. Hauptman, Cecilia Elena Gerber, D. Norman, B. Gibbard, Gregory R Snow, S. Willis, M. Pang, Dan Green, Lev Dudko, A. K.A. Maciel, M. Abolins, Young-Sang Yu, A. Jonckheere, E. Oltman, R. Hirosky, D. Vititoe, C. Klopfenstein, R. J. Genik, Stephan Linn, Jianming Qian, S. Lami, C. L. Kim, J. Sculli, P. Mooney, J. Z.Y. Jiang, N. Oshima, P.F. Ermolov, Hiroaki Aihara, T. L. Taylor, N. K. Mondal, Daria Zieminska, R. D. Schamberger, P. R.G. Virador, R. W. Stephens, H. T. Diehl, A. Smith, A. Boehnlein, J. F. Lebrat, D. Pušeljić, C. Boswell, D. Stewart, S. N. Gurzhiev, S. Abachi, P. M. Sood, S. Fuess, R. Hernández-Montoya, S. Banerjee, V. S. Burtovoi, Stephen Wimpenny, W. Smart, K. A. Johns, H. Johari, V. Balamurali, L. T. Goss, J. Ellison, Heriberto Castilla-Valdez, G. Finocchiaro, N. Sotnikova, Suman Bala Beri, B. G. Pope, J. Krane, T. Marshall, R. Snihur, N. Varelas, Darien Wood, Nicholas John Hadley, Gordon Watts, R. J. Madaras, V. Sirotenko, S. Blessing, Scott Snyder, S. M. Chang, O. V. Eroshin, N. Denisenko, S. Reucroft, R. Markeloff, E. Shabalina, J. T. White, Quing Zhu, Phillip Gutierrez, E. Amidi, J. V.D. Wirjawan, E. A. Kozlovski, J. R. T. de Mello Neto, C. Yoshikawa, J. Featherly, V. Glebov, RC Bhat, Marvin Johnson, A. V. Kozelov, Dhiman Chakraborty, H. Haggerty, S. Lökös, S. Fahey, C. Cretsinger, M. Strovink, E. James, Gilvan Alves, V. Oguri, J. S. Kang, S. C. Loken, M. L. Stevenson, N. Amos, J. Yang, V. M. Podstavkov, M. Fortner, J. Perkins, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, Harrison Prosper, J. M. Guida, D. Hedin, F. Lobkowicz, T. Rockwell, Iain Alexander Bertram, R. L. Dixon, Michael Rijssenbeek, V. N. Evdokimov, J. Warchol, D.S. Koltick, S. Youssef, A. Sanchez-Hernandez, Robert Kehoe, J. Balderston, D. Lincoln, Eunil Won, B. Baldin, Y. Ducros, Victor Daniel Elvira, P. Bloom, J. A. Wightman, N. I. Bojko, K. Streets, Vipin Bhatnagar, R. Partridge, E. Flattum, G. Griffin, C. H. Park, H. S. Mao, D. L. Adams, J. S. Hoftun, J. N. Butler, P. D. Grannis, H. Piekarz, G. Álvarez, J. Kotcher, O. I. Dahl, N. Graf, H. L. Melanson, P. Z. Quintas, Y. Fisyak, J. H. Christenson, M. Chung, B. May, B. Gobbi, Jasvinder A. Singh, H. Johnstad, T. Yasuda, C. Murphy, R. Astur, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, J. Li, T. Fahland, T. Heuring, J. T. Linnemann, J. Wilcox, M. Goforth, D. Casey, A. Bross, Jinhong Yu, H. Tong, Rajendran Raja, A. Klatchko, Brad Abbott, J. Jaques, Ron Lipton, S. Feher, J. Womersley, Nikolai Mokhov, A. Zieminski, Brajesh C Choudhary, T. Huehn, D. Fein, Erich Varnes, J. M. De Miranda, G. Eppley, Soon Yung Jun, H. da Motta, J. G.R. Lima, N. Grossman, A. S. Ito, Pm Tuts, G. E. Forden, A. P. Heinson, A. Bischoff, J. F. Glicenstein, A. V. Kostritskiy, Sissel Hansen, F. Nang, R. E. Hall, J. L. González Solís, M. Nicola, S. Krzywdzinski, P. Padley, Alexey Volkov, James H Cochran, R. L. McCarthy, Mitchell Wayne, V. I. Kochetkov, H. Schellman, J. M. Kohli, J. Thompson, B. Gómez, Z. H. Zhu, Shashikant Dugad, A. Zylberstejn, Peter Nemethy, Sun Kee Kim, H. Greenlee, E. W. Anderson, Serban Protopopescu, Allen Mincer, Alexander Belyaev, Gervasio Gomez, E. G. Zverev, D. Nešić, C. Shaffer, D. Cullen-Vidal, K. Genser, A. Goldschmidt, Haifeng Li, N. N. Biswas, J. Bendich, S. Chopra, Y. Pischalnikov, Ulrich Heintz, H. Jöstlein, H. Ting, M. Diesburg, D. Owen, J. Tarazi, Meenakshi Narain, A. Peryshkin, A. Narayanan, M. Sosebee, J. Alitti, J. Bantly, Andrew Brandt, R. Engelmann, H.E. Miettinen, K. S. Hahn, D. Cutts, Greg Landsberg, T. L. Geld, Natalie A. Roe, M. Paterno, A. Baden, H. Tao, G. C. Blazey, R. Yamada, S. H. Ahn, John Rutherfoord, Mary Beth Adams, James C. Green, F. Borcherding, M. M. Baarmand, Sarah Catherine Eno, Vyacheslav Klyukhin, and Ying Li
Subjects: Quark, Physics, Nuclear and High Energy Physics, Gauge boson, Particle physics, High Energy Physics::Phenomenology, Tevatron, law.invention, Standard Model, Nuclear physics, law, High Energy Physics::Experiment, Fermilab, Collider, Boson, Lepton
Abstract: We have searched for a heavy neutral gauge boson, Z ′, using the decay channel Z ′ → ee . The data were collected with the DO detector at the Fermilab Tevatron during the 1992–1993 p p collider run at s =1.8 TeV from an integrated luminosity of 15±1 pb −1 . Limits are set on the cross section times brancing ratio for the process p p → Z′ → ee as a function of the Z ′ mass. We exclude the existence of a Z ′ of mass less than 490 GeV/c 2 , assuming a Z ′ with the same coupling strengths to quarks and leptons as the standard model Z boson.

156. Search for R-parity violating supersymmetry in two-muon and four-jet topologies

Author: J. M. Hauptman, Cecilia Elena Gerber, P. A. Rapidis, B. Connolly, Richard Breedon, V. V. Babintsev, G. Ginther, S. Fuess, L. Lueking, S. N. Ahmed, M. Fortner, N. W. Reay, J. Perkins, D. Buchholz, Jianming Qian, M. Chung, M. Abolins, Chris Hays, V. A. Bezzubov, J. P. Negret, R. P. Smith, A. Jonckheere, A. P. Vorobiev, Stephan Linn, Michael Shupe, Michael Hildreth, J. Estrada, B. Pawlik, Y. A. Yatsunenko, A. V. Kotwal, Harrison Prosper, S. Desai, Florian Beaudette, G. Briskin, N. Oshima, A. V. Kostritskiy, E. Popkov, K. Del Signore, K. Gounder, D. A. Stoyanova, F. Borcherding, Vladimir Gavrilov, Jeffrey F. Krane, M. Bhattacharjee, Daria Zieminska, Gordon Watts, D. A. Wijngaarden, A. S. Turcot, R. D. Schamberger, Sissel Hansen, T. G. Trippe, L. S. Vertogradov, A. N. Galyaev, M. Buehler, M. B. Przybycien, V. Sirotenko, O. V. Eroshin, Y. Song, L. Coney, L. Duflot, K. Bos, Phillip Gutierrez, Gervasio Gomez, M. A. Kubantsev, Gregory R Snow, Xingguo Li, N. I. Bojko, N. Sen, D. Mihalcea, G. Steinbrück, D. O'Neil, D. K. Cho, E. G. Zverev, Sharon Hagopian, D. Casey, G. Sajot, Heriberto Castilla-Valdez, Michael A. Strauss, K. Papageorgiou, K. M. Mauritz, N. R. Stanton, E. J. Ramberg, Andrew White, Y. Arnoud, R. Illingworth, R. L. McCarthy, N. Amos, Y. Kulik, M. A. Strang, C. S. Mishra, V. Simak, J. Kotcher, Rajendran Raja, Christos Leonidopoulos, Michael Begel, P.F. Ermolov, P. Padley, N.V. Mokhov, P. M. Tuts, V. E. Kuznetsov, R. W. Stephens, N. K. Mondal, H. T. Diehl, H. Singh, Alexey Volkov, W. E. Cooper, S. Duensing, M. Roco, G. Eppley, J. Womersley, K. Genser, Mitchell Wayne, H. Schellman, J. M. Kohli, V. S. Burtovoi, Vasken Hagopian, R. Piegaia, M. I. Martin, Elemer Nagy, P. Yamin, Robert Hirosky, Harald Fox, G. D. Alexeev, Flera Rizatdinova, K. Davis, J. N. Butler, P. D. Grannis, H. da Motta, J. G.R. Lima, Brad Abbott, Stefan Grünendahl, R. Snihur, Emanuela Barberis, L. T. Goss, Charles Leggett, Mossadek Talby, H. Weerts, Z. M. Wang, D. Whiteson, A. Boehnlein, A. P. Heinson, B. Gómez, A. Goussiou, A. M. Kalinin, Lev Dudko, Pierre Petroff, A. S. Ito, Shashikant Dugad, Meenakshi Narain, D. Karmanov, Suman Bala Beri, R. J. Madaras, Tulika Bose, A. Alton, John Hobbs, S. Youssef, F. Blekman, D. Bauer, R. Demina, G. Gutierrez, Pushpalatha C Bhat, J. Barreto, F. Stichelbaut, Ia Iashvili, S. Fu, E. W. Anderson, H. Haggerty, N. Graf, A. Juste, J. Ellison, A. K.A. Maciel, Sa. Jain, A. Abdesselam, Bobby Samir Acharya, H. A. Neal, J. T. Linnemann, Miguel Mostafa, M. M. Baarmand, Q. Z. Li, T. C. Bacon, A. Khanov, N. Parua, V.V. Abramov, T. Fahland, R. E. Hall, Gilvan Alves, J. L. González Solís, M. A.C. Cummings, M. H.G. Souza, B. Hoeneisen, Lee Sawyer, Arnaud Duperrin, Sarah Catherine Eno, K. M. Chan, V. Sorín, K. Yip, Q. Xu, Z. Casilum, V. S. Narasimham, Sebastian Grinstein, M. Sosebee, L. Stutte, Jinhong Yu, A.S. Dyshkant, M. Jaffré, H. E. Montgomery, L. Groer, E. Flattum, B. Knuteson, Haiyan Wang, S. Tentindo-Repond, S. Chopra, D. Edmunds, D. Shpakov, Arnaud Lucotte, Alexander Kupco, S.A. Kahn, M. Merkin, Z. Yu, Andre Sznajder, M. Demarteau, D. P. Stoker, F. Fleuret, R. Van Kooten, P. I. Goncharov, Alexander Belyaev, D. Fein, D. Chakraborty, Ariel Schwartzman, E. Smith, P. Demine, S. Feher, A. Besson, Randy Ruchti, Melissa Ridel, R. Kehoe, Yuri Gershtein, T. Nunnemann, B. Baldin, H. Zheng, Philip Baringer, F. Nang, Richard B. Lipton, Don Lincoln, P. W. Balm, Patrick Slattery, P. Hanlet, Raymond Brock, Boaz Klima, G. Graham, A. Zieminski, P. Krivkova, F. Villeneuve-Seguier, A. Stone, Y. Ducros, Daniel John Karmgard, L. Babukhadia, J. Snow, S. Banerjee, H. L. Melanson, R. Beuselinck, V. Zutshi, C. Miao, B. Olivier, C. Hebert, D. Coppage, Andrew Brandt, R. A. Sidwell, W. M. Lee, A. Kharchilava, A. Baden, B. G. Pope, R. Engelmann, S. Willis, G. C. Blazey, E. A. Kozlovsky, H.E. Miettinen, Sergey Kuleshov, Jing Li, Ulrich Heintz, Y. Fisyak, Victor Daniel Elvira, H. Jöstlein, S. Krzywdzinski, Marvin Johnson, R. Yamada, Elizaveta Shabalina, A. Zylberstejn, Frank Filthaut, N. A. Naumann, J. H. Christenson, M. Diesburg, A. V. Kozelov, F. Lehner, H. Greenlee, S. Negroni, David H. Adams, A. Bross, A. A. Mayorov, J. T. White, Alice Bean, S. Reucroft, Alexander Leflat, G. A. Davis, Serban Protopopescu, John Rutherfoord, M. Strovink, C. Luo, Mary Beth Adams, F. Canelli, W. Kahl, U. Bassler, Volker Buescher, Anurag Gupta, Vipin Bhatnagar, Jasvinder A. Singh, N. Sotnikova, R. J. Genik, R. Partridge, X. Zhang, James C. Green, B. M. Sabirov, Alberto Santoro, Seong Keun Kim, Shuichi Kunori, R. K. Shivpuri, D. Cutts, P. Rubinov, V. Vaniev, V. L. Malyshev, Zeno Dixon Greenwood, Wagner Carvalho, Christophe Royon, Greg Landsberg, D. R. Claes, H. S. Mao, H. E. Fisk, L. J. Pan, S. Doulas, Z. Zhou, J. Solomon, H. D. Wahl, Kaushik De, M. Zanabria, Winston Ko, M. Paterno, K. Soustruznik, R. Gilmartin, V. Oguri, O. Peters, M. Gao, S. M. Tripathi, Gustaaf Brooijmans, Wendy Taylor, A. Patwa, Roger Moore, J. Warchol, Stephen Wimpenny, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, S. J. De Jong, B. Kothari, Yu-tin Huang, Nikos Varelas, Bing Zhou, E. Kajfasz, Elizabeth Gallas, T. McMahon, Howard Gordon, J. T. Eltzroth, K. C. Frame, S. P. Denisov, V. M. Abazov, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, M. R. Krishnaswamy, R. Jesik, K. A. Johns, V. N. Evdokimov, A. R. Clark, A. Para, Sergey Chekulaev, D. Hedin, Neeti Parashar, M. Zielinski, K. W. Merritt, Suyong Choi, J. F. Bartlett, V. Manankov, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, T. Yasuda, S. N. Gurzhiev, Viatcheslav Stolin, C. Lundstedt, Carlos Avila, Sabine Crépé-Renaudin, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), D0, Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Physics, Particle physics, Muon, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Tevatron, General Physics and Astronomy, Supersymmetry, D0 experiment, 7. Clean energy, 01 natural sciences, Lightest Supersymmetric Particle, Nuclear physics, R-parity, Experimental High Energy Physics, 0103 physical sciences, Neutralino, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Fermilab, 010306 general physics
Abstract: We present results of a search for R-parity-violating decay of the neutralino chi;01, taken as the lightest supersymmetric particle, to a muon and two jets. The decay proceeds through a lepton-number violating coupling lambda(')(2jk) (j=1,2; k=1,2,3), with R-parity conservation in all other production and decay processes. In the absence of candidate events from 77.5+/-3.9 pb(-1) of data collected by the D0 experiment at the Fermilab Tevatron in pp collisions at sqrt[s]=1.8 TeV, and with an expected background of 0.18+/-0.03+/-0.02 events, we set limits on squark and gluino masses within the framework of the minimal low-energy supergravity-supersymmetry model.

157. Studies of some electrochemically generated radicals of some hydrazines by the EPR method

Author: S. Yu. Baigil'dina, A. V. Il'yasov, F. G. Valitova, and N. N. Sotnikova
Subjects: Inorganic Chemistry, Solid-state physics, law, Chemistry, Radical, Materials Chemistry, Physical and Theoretical Chemistry, Electron paramagnetic resonance, Photochemistry, law.invention
Published: 1966

158. The electrochemical generation of hydrazyl radicals

Author: F. G. Valitova, Ya. A. Levin, N. N. Sotnikova, and A. V. Il'yasov
Subjects: Chemistry, Radical, General Chemistry, Photochemistry, Electrochemistry
Published: 1967

159. Differential regulatory effect of progesterone on the proliferation and apoptosis of uterine leiomyoma tissue explants and primary leiomyoma cell cultures.

Author: Voronin D, Sotnikova N, Rukavishnikov K, Malyshkina A, Nagornii S, and Antsiferova Y
Subjects: Apoptosis, Cell Culture Techniques, Cell Proliferation, Female, Humans, Progesterone, Receptors, Progesterone, Tumor Microenvironment, Leiomyoma, Uterine Neoplasms drug therapy
Abstract: Objective: The growth of uterine leiomyomas is regulated by progesterone, although the underlying molecular mechanisms are not fully understood., Methods: Primary leiomyoma cells were isolated by standard method from 16 samples of uterine leiomyoma tissue. Uterine leiomyoma explants and primary leiomyoma cell cultures were exposed to progesterone in concentrations of 0.01 µg/ml, 0.1 µg/ml and 1 µg/ml for 24 h. Cell apoptosis was assessed with Annexin V assays performed in cell cultures by flow cytometry. The expression of PR-A, PR-B, Ki67, Akt, ERK, PTEN and PPARγ mRNAs was estimated in cultured leiomyoma cells and tissue explants by real time RT-PCR., Results: Treatment with progesterone promoted viability and proliferation of cultured leiomyoma cells in a dose-dependent manner. Low and high doses of progesterone decreased early apoptosis of leiomyoma cells. High concentrations of progesterone increased the number of living cells in Annexin V assays. High doses of progesterone increased the expression of Ki67 mRNA, while low doses increased the expression of PR-A mRNA in cultured leiomyoma cells and tissue explants. In cell cultures, low doses of progesterone increased the expression of PR-B mRNA and the expression of PTEN and PPARγ mRNAs in a dose-dependent manner. Exposure of leiomyoma tissue explants to progesterone led to increased expression of PR-B and ERK mRNAs in a dose-dependent manner., Conclusions: The effects of progesterone on the apoptosis and proliferation of leiomyoma cells was dose-dependent and different in cell cultures and leiomyoma explants, possibly as a result of impacts derived from the tumor microenvironment.
Published: 2021
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160. Interaction of decidual CD56+ NK with trophoblast cells during normal pregnancy and recurrent spontaneous abortion at early term of gestation.

Author: Sotnikova N, Voronin D, Antsiferova Y, and Bukina E
Subjects: Abortion, Habitual metabolism, Adult, CD56 Antigen immunology, CD56 Antigen metabolism, Cell Communication immunology, Cell Movement drug effects, Cell Movement immunology, Cells, Cultured, Decidua metabolism, Female, Flow Cytometry, Gene Expression Regulation, Developmental, Gestational Age, Granzymes genetics, Granzymes immunology, Granzymes metabolism, Humans, Interferon-gamma genetics, Interferon-gamma immunology, Interferon-gamma pharmacology, Killer Cells, Natural cytology, Killer Cells, Natural metabolism, Placenta immunology, Placenta metabolism, Pregnancy, Pregnancy Trimester, First, Reverse Transcriptase Polymerase Chain Reaction, Trophoblasts cytology, Trophoblasts metabolism, Young Adult, Abortion, Habitual immunology, Decidua immunology, Killer Cells, Natural immunology, Trophoblasts immunology
Abstract: The immunological paradox of pregnancy, when maternal immune system recognizes but does not reject the semiallogenic foetus, is not yet fully understood. The aim of this work was to detail the mechanisms of the interaction of decidual CD56+ NK, infiltrating the maternal part of placenta, and trophoblast cells of foetal origin. Samples of the endometrial tissue from 13 healthy non-pregnant women, 37 placentas, obtained after medical abortion of viable pregnancy at 7-10 weeks of gestation, and 26 samples of placentas from first-trimester recurrent spontaneous abortion (RSA) were used as the material for investigation. Phenotype of NK was assessed by flow cytometry. The influence of trophoblast cells upon IFNγ and GrB mRNAs expression by dNK was investigated by RT-PCR. The influence of dNK upon trophoblast cells migration and invasion was studied using collagen and Matrigel systems. In RSA group comparing to the normal pregnancy, the decrease of dNK with inhibitory receptors (NKG2A) and elevation of activated dNK were seen. In normal pregnancy, but not in RSA, trophoblast cells increased the expression of IFNγ and GrB mRNAs by CD56+ dNK. Both in normal and RSA pregnancy, dNK inhibited the migration and invasion of trophoblast cells. Initially, low invasive and migration capacities of trophoblast cells were seen during RSA. Thus, unbalanced activation of dNK can lead to the impairment of dNK and trophoblast cells interaction during RSA., (© 2014 John Wiley & Sons Ltd.)
Published: 2014
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161. Different effects of the immunomodulatory drug GMDP immobilized onto aminopropyl modified and unmodified mesoporous silica nanoparticles upon peritoneal macrophages of women with endometriosis.

Author: Antsiferova Y, Sotnikova N, and Parfenyuk E
Subjects: Acetylmuramyl-Alanyl-Isoglutamine administration & dosage, Acetylmuramyl-Alanyl-Isoglutamine chemistry, Adjuvants, Immunologic, Endometriosis immunology, Female, Flow Cytometry, Humans, Immunologic Factors chemistry, Macrophages, Peritoneal metabolism, Nanoparticles chemistry, Silicon Dioxide chemistry, Tissue Inhibitor of Metalloproteinase-1 biosynthesis, Acetylmuramyl-Alanyl-Isoglutamine analogs & derivatives, Endometriosis drug therapy, Immunologic Factors administration & dosage, Macrophages, Peritoneal drug effects
Abstract: The aim of the present work was to compare in vitro the possibility of application of unmodified silica nanoparticles (UMNPs) and modified by aminopropyl groups silica nanoparticles (AMNPs) for topical delivery of immunomodulatory drug GMDP to the peritoneal macrophages of women with endometriosis. The absence of cytotoxic effect and high cellular uptake was demonstrated for both types of silica nanoparticles. The immobilization of GMDP on the UMNPs led to the suppression of the stimulatory effect of GMDP on the membrane expression of scavenger receptors SR-AI and SR-B, mRNAs expression of NOD2 and RAGE, and synthesis of proteolytic enzyme MMP-9 and its inhibitor TIMP-1. GMDP, immobilized onto AMNPs, enhanced the initially reduced membrane expression of SRs and increased NOD2, RAGE, and MMP-9 mRNAs expression by macrophages. Simultaneously high level of mRNAs expression of factors, preventing undesirable hyperactivation of peritoneal macrophages (SOCS1 and TIMP-1), was observed in macrophages incubated in the presence of GMDP, immobilized onto AMNPs. The effect of AMNPs immobilized GMDP in some cases exceeded the effect of free GMDP. Thus, among the studied types of silica nanoparticles, AMNPs are the most suitable nanoparticles for topical delivery of GMDP to the peritoneal macrophages.
Published: 2013
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162. A precision measurement of the mass of the top quark.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Arnoud Y, Avila C, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baffioni S, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Bolton TA, Borcherding F, Bos K, Bose T, Brandt A, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Claes D, Clark AR, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Da Motta H, Davis GA, De K, De Jong SJ, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Dudko LV, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Eltzroth JT, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Ferbel T, Filthaut F, Fisk HE, Fortner M, Fox H, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Ginther G, Gómez B, Goncharov PI, Gounder K, Goussiou A, Grannis PD, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Grünewald MW, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Han C, Hansen S, Hauptman JM, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang J, Huang Y, Iashvili I, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Kesisoglou S, Khanov A, Kharchilava A, Klima B, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Lehner F, Leonidopoulos C, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mattingly SE, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Melnitchouk A, Merkin A, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mutaf YD, Nagy E, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Nelson S, Nomerotski A, Nunnemann T, O'Neil D, Oguri V, Oshima N, Padley P, Papageorgiou K, Parashar N, Partridge R, Parua N, Patwa A, Peters O, Pétroff P, Piegaia R, Pope BG, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Rajagopalan S, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Royon C, Rubinov P, Ruchti R, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Sirotenko V, Slattery P, Smith RP, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Trippe TG, Turcot AS, Tuts PM, Van Kooten R, Vaniev V, Varelas N, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, Whiteson D, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yasuda T, Yatsunenko YA, Yip K, Yu J, Zanabria M, Zhang X, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: The standard model of particle physics contains parameters--such as particle masses--whose origins are still unknown and which cannot be predicted, but whose values are constrained through their interactions. In particular, the masses of the top quark (M(t)) and W boson (M(W)) constrain the mass of the long-hypothesized, but thus far not observed, Higgs boson. A precise measurement of M(t) can therefore indicate where to look for the Higgs, and indeed whether the hypothesis of a standard model Higgs is consistent with experimental data. As top quarks are produced in pairs and decay in only about 10(-24) s into various final states, reconstructing their masses from their decay products is very challenging. Here we report a technique that extracts more information from each top-quark event and yields a greatly improved precision (of +/- 5.3 GeV/c2) when compared to previous measurements. When our new result is combined with our published measurement in a complementary decay mode and with the only other measurements available, the new world average for M(t) becomes 178.0 +/- 4.3 GeV/c2. As a result, the most likely Higgs mass increases from the experimentally excluded value of 96 to 117 GeV/c2, which is beyond current experimental sensitivity. The upper limit on the Higgs mass at the 95% confidence level is raised from 219 to 251 GeV/c2.
Published: 2004
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163. Search for narrow tt resonances in pp collisions at square root of (s)=1.8 TeV.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Anderson EW, Arnoud Y, Avila C, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baffioni S, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Bolton TA, Borcherding F, Bos K, Bose T, Brandt A, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Claes D, Clark AR, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, da Motta H, Davis GA, De K, de Jong SJ, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Eltzroth JT, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fein D, Ferbel T, Filthaut F, Fisk HE, Fleuret F, Fortner M, Fox H, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Ginther G, Gómez B, Goncharov PI, Gordon H, Gounder K, Goussiou A, Graf N, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Han C, Hansen S, Hauptman JM, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang J, Huang Y, Iashvili I, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Khanov A, Kharchilava A, Klima B, Kohli JM, Kostritskiy AV, Kotcher J, Kothhari B, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Lehner F, Leonidopoulos C, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mutaf YD, Nagy E, Nang F, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Nomerotski A, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Papageorgiou K, Parashar N, Partridge R, Parua N, Patwa A, Peters O, Pétroff P, Piegaia R, Pope BG, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Quadt A, Raja R, Rajagopalan S, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Royon C, Rubinov P, Ruchti R, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Sirotenko V, Slattery P, Smith RP, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Van Kooten R, Vaniev V, Varelas N, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, Whiteson D, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Yu J, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: A search for narrow resonances that decay into tt pairs has been performed using 130 pb(-1) of data in the lepton + jets channel collected by the Dphi detector in pp collisions at square root of (s)=1.8 TeV. There is no significant deviation observed from the standard-model predictions at a top-quark mass of 175 GeV/c2. We therefore present upper limits at the 95% confidence level on the product of the production cross section and branching fraction to tt for narrow resonances as a function of the resonance mass MX. These limits are used to exclude the existence of a leptophobic top-color particle with mass MX<560 GeV/c2, using a theoretical cross section for a width GammaX=0.012MX.
Published: 2004
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164. Search for large extra dimensions in the monojet+E(T) channel with the DØ detector.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Anderson EW, Arnoud Y, Avila C, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baffioni S, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Bolton TA, Borcherding F, Bos K, Bose T, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Claes D, Clark AR, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, da Motta H, Davis GA, De K, de Jong SJ, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Eltzroth JT, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Fleuret F, Fortner M, Fox H, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Ginther G, Gómez B, Goncharov PI, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Han C, Hansen S, Hauptman JM, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang J, Huang Y, Iashvili I, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Khanov A, Kharchilava A, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Leonidopoulos C, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mutaf YD, Nagy E, Nang F, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Nomerotski A, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Papageorgiou K, Parashar N, Partridge R, Parua N, Patwa A, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Raja R, Rajagopalan S, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Royon C, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Sirotenko V, Slattery P, Smith RP, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Van Kooten R, Vaniev V, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We present a search for large extra dimensions (ED) in pp collisions at a center-of-mass energy of 1.8 TeV using data collected by the DØ detector at the Fermilab Tevatron in 1994-1996. Data corresponding to 78.8+/-3.9 pb(-1) are examined for events with large missing transverse energy, one high-p(T) jet, and no isolated muons. There is no excess observed beyond expectation from the standard model, and we place lower limits on the fundamental Planck scale of 1.0 and 0.6 TeV for 2 and 7 ED, respectively.
Published: 2003
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165. Search for the production of single sleptons through R-parity violation in pp; collisions at square root (s) =1.8 TeV.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Anderson EW, Arnoud Y, Avila C, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Bolton TA, Borcherding F, Bos K, Bose T, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Claes D, Clark AR, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Davis GA, De K, De Jong SJ, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Eltzroth JT, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Fox H, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Goncharov PI, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Iashvili I, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Khanov A, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Leonidopoulos C, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, Da Motta H, Mutaf YD, Nagy E, Nang F, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Nomerotski A, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Papageorgiou K, Parashar N, Partridge R, Parua N, Patwa A, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Raja R, Rajagopalan S, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Roco M, Royon C, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Sirotenko V, Slattery P, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Vaniev V, Kooten RV, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We report the first search for supersymmetric particles via s-channel production and decay of smuons or muon sneutrinos at hadronic colliders. The data for the two-muon and two-jets final states were collected by the D0 experiment and correspond to an integrated luminosity of 94+/-5 pb(-1). Assuming that R parity is violated via the single coupling lambda'211, the number of candidate events is in agreement with expectation from the standard model. Exclusion contours are given in the (m(0),m(1/2)) and (m(x),m(v)) planes for lambda(')(211)=0.09, 0.08, and 0.07.
Published: 2002
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166. Search for R-parity violating supersymmetry in two-muon and four-jet topologies.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Amos N, Anderson EW, Arnoud Y, Avila C, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Bose T, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Davis GA, Davis K, De K, de Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Eltzroth JT, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Fox H, Frame KC, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Iashvili I, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Khanov A, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Leonidopoulos C, Li J, Li QZ, Li X, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mauritz KM, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, Da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Negroni S, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Roco M, Royon C, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We present results of a search for R-parity-violating decay of the neutralino chi;01, taken as the lightest supersymmetric particle, to a muon and two jets. The decay proceeds through a lepton-number violating coupling lambda(')(2jk) (j=1,2; k=1,2,3), with R-parity conservation in all other production and decay processes. In the absence of candidate events from 77.5+/-3.9 pb(-1) of data collected by the D0 experiment at the Fermilab Tevatron in pp collisions at sqrt[s]=1.8 TeV, and with an expected background of 0.18+/-0.03+/-0.02 events, we set limits on squark and gluino masses within the framework of the minimal low-energy supergravity-supersymmetry model.
Published: 2002
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167. Search for leptoquark pairs decaying into nunu+jets in pp collisions at square root[s] = 1.8 TeV.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Amos N, Anderson EW, Arnoud Y, Avila C, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Bose T, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Davis GA, Davis K, De K, De Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Eltzroth JT, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Fox H, Frame KC, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Iashvili I, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Khanov A, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Leonidopoulos C, Li J, Li QZ, Li X, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mauritz KM, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, Da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Negroni S, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Roco M, Royon C, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We present the results of a search for leptoquark (LQ) pairs in (85.2+/-3.7) pb(-1) of pp* collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on sigma(pp*-->LQLQ-->nunu+jets) as a function of the mass of the leptoquark (m(LQ)). Assuming the decay LQ-->nuq, we exclude scalar leptoquarks for m(LQ) < 98 GeV/c(2), and vector leptoquarks for m(LQ) < 200 GeV/c(2) and coupling which produces the minimum cross section, at a 95% confidence level.
Published: 2002
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168. Search for the scalar top quark in pp collisions at square root[s] = 1.8 TeV.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alves GA, Amos N, Anderson EW, Arnoud Y, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Davis GA, Davis K, De K, De Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Fox H, Frame KC, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Heuring T, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Ke Z, Kehoe R, Khanov A, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Li X, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mauritz KM, May B, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, Da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Nomerotski A, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Roco M, Royon C, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stone A, Stoyanova DA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We have performed a search for scalar top quark (stop) pair production in the inclusive electron-muon-missing transverse energy final state, using a sample of pp events corresponding to 108.3 pb(-1) of data collected with the D0 detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the sneutrino is the lightest supersymmetric particle. For the dominant decays of the lightest stop, t-->b chi+1 and t-->blnu, no evidence for signal is found. We derive cross-section limits as a function of stop ( t ), chargino ( chi+1), and sneutrino ( nu) masses.
Published: 2002
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169. Direct search for charged higgs bosons in decays of top quarks.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Davis GA, Davis K, De K, de Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Pétroff P, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Ridel M, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We present a search for charged Higgs bosons in decays of pair-produced top quarks in pp collisions at sqrt[s] = 1.8 TeV recorded by the D0 detector at the Fermilab Tevatron collider. With no evidence for signal, we exclude most regions of the ( M(H+/-),tan(beta)) parameter space where the decay t--> H(+)b has a branching fraction >0.36 and B(H+/--->tau(nu)(tau)) is large.
Published: 2002
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170. Cytokine network of eutopic and ectopic endometrium in women with adenomyosis.

Author: Sotnikova N, Antsiferova I, and Malyshkina A
Subjects: Case-Control Studies, Endometriosis pathology, Endometrium pathology, Epidermal Growth Factor metabolism, Female, Humans, In Vitro Techniques, Interferon-alpha metabolism, Interferon-gamma metabolism, Interleukin-1 metabolism, Interleukin-8 metabolism, Leukocytes, Mononuclear immunology, Tumor Necrosis Factor-alpha metabolism, Cytokines metabolism, Endometriosis immunology, Endometrium immunology
Abstract: Problem: Recent studies showed the impairment of local cytokine balance in women with external endometriosis, but similar findings concerning direct production of cytokines by immunocompetent cells of women with adenomyosis are absent. In this context, investigation of the cytokine synthesis by mononuclear cells (MNCs) infiltrating eutopic and ectopic endometrium is of special interest., Method of Study: Concentration of interferon-gamma (IFNgamma), interferon-alpha (IFNalpha), tumour necrosis factor-alpha (TNFalpha), interleukin- 1beta (IL-1beta) and epidermal growth factor (EGF) in supernatants (SNs) of 24-hr cultures of MNCs obtained from eutopic and ectopic endometrium of women with adenomyosis was determined by enzyme-linked immunosorbent assay., Results: The levels of IFNgamma, IFNalpha, TNFalpha, IL-1beta and EGF in SNs of eutopic endometrial MNCs of women with adenomyosis were significantly increased and the content of IL-8 in SNs was reduced compared with that of the control figures. Ectopic MNCs of women with adenomyosis produced higher levels of IFNgamma, IFNalpha and TNFalpha than the MNCs of normal endometrium. The production of IL-1beta, IL-8 and EGF by ectopic endometrial MNCs was significantly reduced., Conclusion: The results obtained indicate a significant role of local cytokine production impairment in the development of adenomyosis.
Published: 2002
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171. Ratio of isolated photon cross sections in pp macro collisions at square root of s = 630 and 1800 GeV.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alton A, Alves GA, Amos N, Anderson EW, Arnoud Y, Avila C, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Beaudette F, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blekman F, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Bose T, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Davis GA, Davis K, De K, de Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Doulas S, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Fox H, Frame KC, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Greenwood ZD, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Heuring T, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Khanov A, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Li X, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Mauritz KM, May B, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Naumann NA, Neal HA, Negret JP, Negroni S, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Przybycien MB, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Roco M, Royon C, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song Y, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stone A, Stoyanova DA, Strang MA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Xu Q, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zhang X, Zheng H, Zhou B, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: The inclusive cross section for production of isolated photons has been measured in pp macro collisions at square root of s = 630 GeV with the D0 detector at the Fermilab Tevatron Collider. The photons span a transverse energy (E(T)) range from 7-49 GeV and have pseudorapidity absolute value of eta < 2.5. This measurement is combined with the previous D0 result at square root of s = 1800 GeV to form a ratio of the cross sections. Comparison of next-to-leading-order QCD with the measured cross section at 630 GeV and the ratio of cross sections show satisfactory agreement in most of the E(T) range.
Published: 2001
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172. Search for new physics using QUAERO: a general interface to D0 event data.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alves GA, Amos N, Anderson EW, Arnoud Y, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Crépé-Renaudin S, Cummings MA, Cutts D, Davis GA, Davis K, De K, de Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Duperrin A, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Fox H, Frame KC, Fu S, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinmiller JM, Heinson AP, Heintz U, Heuring T, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahl W, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Ke Z, Kehoe R, Khanov A, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kothari B, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Lee WM, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Li X, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Pétroff P, Piegaia R, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Ridel M, Rijssenbeek M, Rizatdinova F, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Sajot G, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stone A, Stoyanova DA, Strauss M, Strovink M, Stutte L, Sznajder A, Talby M, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Villeneuve-Seguier F, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We describe QUAERO, a method that (i) enables the automatic optimization of searches for physics beyond the standard model, and (ii) provides a mechanism for making high energy collider data generally available. We apply QUAERO to searches for standard model WW, ZZ, and t t macro production, to searches for these objects produced through a new heavy resonance, and to the first direct search for W'-->WZ. Through this interface, we make three data sets collected by the D0 experiment at square root of [s] = 1.8 TeV publicly available.
Published: 2001
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173. Search for heavy particles decaying into electron-positron pairs in pp collisions.

Author: Abazov VM, Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahmed SN, Alexeev GD, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bauer D, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Bos K, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Davis GA, Davis K, De K, de Jong SJ, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hildreth MD, Hirosky R, Hobbs JD, Hoeneisen B, Huang Y, Illingworth R, Ito AS, Jaffré M, Jain S, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Kalinin AM, Karmanov D, Karmgard D, Kehoe R, Kharchilava A, Kim SK, Klima B, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krivkova P, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov VE, Landsberg G, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Malyshev VL, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Nunnemann T, O'Neil D, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Pétroff P, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Ridel M, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Sabirov BM, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Vertogradov LS, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yatsunenko YA, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We present results of searches for technirho (rho(T)), techniomega (omega(T)), and Z' particles, using the decay channels rho(T),omega(T),Z'-->e(+)e(-). The search is based on 124.8 pb(-1) of data collected by the D0 detector at the Fermilab Tevatron during 1992-1996. In the absence of a signal, we set 95% C.L. upper limits on the cross sections for the processes pp-->rho(T),omega(T),Z'-->e(+)e(-) as a function of the mass of the decaying particle. For certain model parameters, we exclude the existence of degenerate rho(T) and omega(T) states with masses below about 200 GeV. We exclude a Z' with mass below 670 GeV, assuming that it has the same couplings to fermions as the Z boson.
Published: 2001
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174. Quasi-model-independent search for new high p(T) physics at D0.

Author: Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Bartlett JF, Bassler U, Bauer D, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Davis GA, Davis K, De K, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Filthaut F, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Hou S, Huang Y, Illingworth R, Ito AS, Jaffré M, Jerger SA, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kuznetsov VE, Landsberg G, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Meng XC, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Nunnemann T, Oesch L, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Pétroff P, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Ridel M, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Thompson J, Toback D, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We apply a quasi-model-independent strategy ("Sleuth") to search for new high p(T) physics in approximately 100 pb(-1) of pp collisions at square root of (s) = 1.8 TeV collected by the D0 experiment during 1992-1996 at the Fermilab Tevatron. We systematically analyze many exclusive final states and demonstrate sensitivity to a variety of models predicting new phenomena at the electroweak scale. No evidence of new high p(T) physics is observed.
Published: 2001
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175. Ratio of jet cross sections at square root of s = 630 GeV and 1800 GeV.

Author: Abbott B, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Baden A, Baldin B, Balm PW, Banerjee S, Bantly J, Barberis E, Baringer P, Bartlett JF, Bassler U, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Dahl OI, Davis GA, Davis K, De K, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gartung P, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gibbard B, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grudberg P, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Hou S, Huang Y, Ito AS, Jerger SA, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kehoe R, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kuznetsov VE, Landsberg G, Leflat A, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Maciel AK, Madaras RJ, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Meng XC, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mincer A, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Oesch L, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sculli J, Sen N, Shabalina E, Shankar HC, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Thompson J, Toback D, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zhu ZH, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: The D0 Collaboration has measured the inclusive jet cross section in barpp collisions at square root of s = 630 GeV. The results for pseudorapidities (eta)<0.5 are combined with our previous results at square root of s = 1800 GeV to form a ratio of cross sections with smaller uncertainties than either individual measurement. Next-to-leading-order QCD predictions show excellent agreement with the measurement at 630 GeV; agreement is also satisfactory for the ratio. Specifically, despite a 10% to 15% difference in the absolute magnitude, the dependence of the ratio on jet transverse momentum is very similar for data and theory.
Published: 2001
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176. Ratios of multijet Cross Sections in p p collisions at radical(s) = 1.8 TeV.

Author: Abbott B, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Baden A, Baldin B, Balm PW, Banerjee S, Bantly J, Barberis E, Baringer P, Bartlett JF, Bassler U, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Dahl OI, Davis GA, Davis K, De K, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gartung P, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gibbard B, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grudberg P, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Hou S, Huang Y, Ito AS, Jerger SA, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kehoe R, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kuznetsov VE, Landsberg G, Leflat A, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Maciel AK, Madaras RJ, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Meng XC, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mincer A, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Oesch L, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sculli J, Sen N, Shabalina E, Shankar HC, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Thompson J, Toback D, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zhu ZH, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We report on a study of the ratio of inclusive three-jet to inclusive two-jet production cross sections as a function of total transverse energy in p&pmacr; collisions at a center-of-mass energy sqrt[s] = 1.8 TeV, using data collected with the D0 detector during the 1992-1993 run of the Fermilab Tevatron Collider. The measurements are used to deduce preferred renormalization scales in perturbative O(alpha(3)(s)) QCD calculations in modeling soft-jet emission.
Published: 2001
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177. Inclusive jet production in pp(macro) collisions.

Author: Abbott B, Abdesselam A, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Bacon TC, Baden A, Baldin B, Balm PW, Banerjee S, Barberis E, Baringer P, Bartlett JF, Bassler U, Bauer D, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Davis GA, Davis K, De K, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Duflot L, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gao M, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Hou S, Huang Y, Illingworth R, Ito AS, Jaffré M, Jerger SA, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kuznetsov VE, Landsberg G, Leflat A, Leggett C, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Luo C, Maciel AK, Madaras RJ, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Meng XC, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Nunnemann T, Oesch L, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Papageorgiou K, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Pétroff P, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Ridel M, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sen N, Shabalina E, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Thompson J, Toback D, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang ZM, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We report a new measurement of the pseudorapidity (eta) and transverse-energy ( E(T)) dependence of the inclusive jet production cross section in pp(macro) collisions at square root of s = 1.8 TeV using 95 pb(-1) of data collected with the D0 detector at the Fermilab Tevatron. The differential cross section d(2)sigma/(dE(T)d eta) is presented up to eta = 3, significantly extending previous measurements. The results are in good overall agreement with next-to-leading order predictions from QCD and indicate a preference for certain parton distribution functions.
Published: 2001
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178. Search for large extra dimensions in dielectron and diphoton production.

Author: Abbott B, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Baden A, Baldin B, Balm PW, Banerjee S, Bantly J, Barberis E, Baringer P, Bartlett JF, Bassler U, Bean A, Begel M, Belyaev A, Beri SB, Bernardi G, Bertram I, Besson A, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V, Burtovoi VS, Butler JM, Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Cho DK, Choi S, Chopra S, Christenson JH, Chung M, Claes D, Clark AR, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cummings MA, Cutts D, Dahl OI, Davis GA, Davis K, De K, Del Signore K, Demarteau M, Demina R, Demine P, Denisov D, Denisov SP, Desai S, Diehl HT, Diesburg M, Di Loreto G, Doulas S, Draper P, Ducros Y, Dudko LV, Duensing S, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gartung P, Gavrilov V, Genik RJ 2nd, Genser K, Gerber CE, Gershtein Y, Gibbard B, Gilmartin R, Ginther G, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Graham G, Grannis PD, Green JA, Greenlee H, Grinstein S, Groer L, Grudberg P, Grünendahl S, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Hou S, Huang Y, Ito AS, Jerger SA, Jesik R, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Juste A, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kehoe R, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Kuznetsov VE, Landsberg G, Leflat A, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lucotte A, Lueking L, Lundstedt C, Maciel AK, Madaras RJ, Manankov V, Mao HS, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McMahon T, Melanson HL, Meng XC, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mincer A, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Moore RW, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Oesch L, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Peters O, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Ramberg E, Rapidis PA, Reay NW, Reucroft S, Rha J, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sculli J, Sen N, Shabalina E, Shankar HC, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Simak V, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorín V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Taylor W, Tentindo-Repond S, Thompson J, Toback D, Tripathi SM, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Van Kooten R, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Wang Z, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Wijngaarden DA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zhu ZH, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We report a search for effects of large extra spatial dimensions in pp collisions at a center-of-mass energy of 1.8 TeV with the D0 detector, using events containing a pair of electrons or photons. The data are in good agreement with the expected background and do not exhibit evidence for large extra dimensions. We set the most restrictive lower limits to date, at the 95% C.L. on the effective Planck scale between 1.0 and 1.4 TeV for several formalisms and numbers of extra dimensions.
Published: 2001
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179. Cross section for b-Jet production in &pmacr;p collisions at radicals = 1.8 TeV

Author: Singh JB, Sirotenko V V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Sorin V V, Sosebee M, Sotnikova N, Soustruznik K, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, and Strovink M
Abstract: Bottom-quark production in &pmacr;p collisions at sqrt[s] = 1.8 TeV is studied with 5 pb(-1) of data collected in 1995 by the D0 detector at the Fermilab Tevatron Collider. The differential production cross section for b jets in the central rapidity region ( | y(b)|<1) as a function of jet transverse energy is extracted from a muon-tagged jet sample. Within experimental and theoretical uncertainties, D0 results are found to be higher than, but compatible with, next-to-leading-order QCD predictions.
Published: 2000
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180. Spin correlation in t&tmacr; production from p&pmacr; collisions at radicals = 1.8 TeV

Author: Song XF, Sorin V V, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Tarazi J, Taylor W, Tentindo-Repond S, Thomas TL, Thompson J, Toback D, Trippe TG, and Turcot AS
Abstract: The D0 collaboration has performed a study of spin correlation in t&tmacr; production for the process t&tmacr;-->bW(+)&bmacr;W-, where the W bosons decay to enu or &mgr;nu. A sample of six events was collected during an exposure of the D0 detector to an integrated luminosity of approximately 125 pb(-1) of sqrt[s] = 1.8 TeV p&pmacr; collisions. The standard model (SM) predicts that the short lifetime of the top quark ensures the transmission of any spin information at production to the t&tmacr; decay products. The degree of spin correlation is characterized by a correlation coefficient kappa. We find that kappa>-0.25 at the 68% confidence level, in agreement with the SM prediction of kappa = 0.88.
Published: 2000
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181. Probing Balitsky-Fadin-Kuraev-Lipatov dynamics in the dijet cross section at large rapidity intervals in pp collisions at sqrt[s]=1800 and 630 GeV.

Author: Abbott B, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Akimov V, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Baden A, Baldin B, Banerjee S, Bantly J, Barberis E, Baringer P, Bartlett JF, Bassler U, Bean A, Belyaev A, Beri SB, Bernardi G, Bertram I, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buescher V, Burtovoi VS, Butler JM, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Chen W, Cho DK, Choi S, Chopra S, Choudhary BC, Christenson JH, Chung M, Claes D, Clark AR, Cobau WG, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cullen-Vidal D, Cummings MA, Cutts D, Dahl OI, Davis K, De K, Del Signore K, Demarteau M, Denisov D, Denisov SP, Diehl HT, Diesburg M, Di Loreto G, Draper P, Ducros Y, Dudko LV, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gartung P, Gavrilov V, Genik RJ Jr, Genser K, Gerber CE, Gershtein Y, Gibbard B, Gilmartin R, Ginther G, Gobbi B, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Grannis PD, Green JA, Greenlee H, Grinstein S, Grudberg P, Grünendahl S, Guglielmo G, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Ito AS, Jerger SA, Jesik R, Joffe-Minor T, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Jun SY, Juste A, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kehoe R, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Landsberg G, Leflat A, Lehner F, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lu JG, Lucotte A, Lueking L, Lundstedt C, Maciel AK, Madaras RJ, Manankov V, Mani S, Mao HS, Markeloff R, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McKibben T, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mihalcea D, Mincer A, Mishra CS, Mokhov N, Mondal NK, Montgoemry HE, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Oesch L, Oguri V, Olivier B, Oshima N, Padley P, Pan LJ, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Piegaia R, Piekarz H, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Reay NW, Reucroft S, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sculli J, Sen N, Shabalina E, Shankar HC, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song XF, Sorín V, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Tarazi J, Taylor W, Tentindo-Repond S, Thomas TL, Thompson J, Toback D, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Wang H, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Whiteson D, Wightman JA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Z, Zanabria M, Zheng H, Zhou Z, Zhu ZH, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: Inclusive dijet production at large pseudorapidity intervals (Deltaeta) between the two jets has been suggested as a regime for observing Balitsky-Fadin-Kuraev-Lipatov (BFKL) dynamics. We have measured the dijet cross section for large Deltaeta in pp collisions at sqrt[s]=1800 and 630 GeV using the D0 detector. The partonic cross section increases strongly with the size of Deltaeta. The observed growth is even stronger than expected on the basis of BFKL resummation in the leading logarithmic approximation. The growth of the partonic cross section can be accommodated with an effective BFKL intercept of alphaBFKL(20 GeV)=1.65+/-0.07.
Published: 2000
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182. Measurement of the W-->taunu production cross section in pp collisions at square root s=1.8 TeV.

Author: Abbott B, Abolins M, Abramov V, Acharya BS, Adams DL, Adams M, Ahn S, Akimov V, Alves GA, Amos N, Anderson EW, Baarmand MM, Babintsev VV, Babukhadia L, Baden A, Baldin B, Banerjee S, Bantly J, Barberis E, Baringer P, Bartlett JF, Bassler U, Belyaev A, Beri SB, Bernardi G, Bertram I, Bezzubov VA, Bhat PC, Bhatnagar V, Bhattacharjee M, Blazey G, Blessing S, Boehnlein A, Bojko NI, Borcherding F, Brandt A, Breedon R, Briskin G, Brock R, Brooijmans G, Bross A, Buchholz D, Buescher V, Burtovoi VS, Butler JM, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H, Chakraborty D, Chan KM, Chekulaev SV, Chen W, Cho DK, Choi S, Chopra S, Choudhary BC, Christenson JH, Chung M, Claes D, Clark AR, Cobau WG, Cochran J, Coney L, Connolly B, Cooper WE, Coppage D, Cullen-Vidal D, Cummings MA, Cutts D, Dahl OI, Davis K, De K, Del Signore K, Demarteau M, Denisov D, Denisov SP, Diehl HT, Diesburg M, Di Loreto G, Draper P, Ducros Y, Dudko LV, Dugad SR, Dyshkant A, Edmunds D, Ellison J, Elvira VD, Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin OV, Estrada J, Evans H, Evdokimov VN, Fahland T, Feher S, Fein D, Ferbel T, Fisk HE, Fisyak Y, Flattum E, Fleuret F, Fortner M, Frame KC, Fuess S, Gallas E, Galyaev AN, Gartung P, Gavrilov V, Genik RJ Jr, Genser K, Gerber CE, Gershtein Y, Gibbard B, Gilmartin R, Ginther G, Gobbi B, Gómez B, Gómez G, Goncharov PI, González Solís JL, Gordon H, Goss LT, Gounder K, Goussiou A, Graf N, Grannis PD, Green DR, Green JA, Greenlee H, Grinstein S, Grudberg P, Grünendahl S, Guglielmo G, Gupta A, Gurzhiev SN, Gutierrez G, Gutierrez P, Hadley NJ, Haggerty H, Hagopian S, Hagopian V, Hahn KS, Hall RE, Hanlet P, Hansen S, Hauptman JM, Hays C, Hebert C, Hedin D, Heinson AP, Heintz U, Heuring T, Hirosky R, Hobbs JD, Hoeneisen B, Hoftun JS, Hsieh F, Ito AS, Jerger SA, Jesik R, Joffe-Minor T, Johns K, Johnson M, Jonckheere A, Jones M, Jöstlein H, Jun SY, Kahn S, Kajfasz E, Karmanov D, Karmgard D, Kehoe R, Kim SK, Klima B, Klopfenstein C, Knuteson B, Ko W, Kohli JM, Koltick D, Kostritskiy AV, Kotcher J, Kotwal AV, Kozelov AV, Kozlovsky EA, Krane J, Krishnaswamy MR, Krzywdzinski S, Kubantsev M, Kuleshov S, Kulik Y, Kunori S, Landsberg G, Leflat A, Lehner F, Li H, Li J, Li QZ, Lima JG, Lincoln D, Linn SL, Linnemann J, Lipton R, Lu JG, Lucotte A, Leuking L, Lundstedt C, Maciel AK, Madaras RJ, Manankov V, Mani S, Mao HS, Markeloff R, Marshall T, Martin MI, Martin RD, Mauritz KM, May B, Mayorov AA, McCarthy R, McDonald J, McKibben T, McMahon T, Melanson HL, Merkin M, Merritt KW, Miao C, Miettinen H, Mincer A, Mishra CS, Mokhov N, Mondal NK, Montgomery HE, Mostafa M, da Motta H, Nagy E, Nang F, Narain M, Narasimham VS, Neal HA, Negret JP, Negroni S, Norman D, Oesch L, Oguri V, Olivier B, Oshima N, Owen D, Padley P, Para A, Parashar N, Partridge R, Parua N, Paterno M, Patwa A, Pawlik B, Perkins J, Peters M, Piegaia R, Piekarz H, Pischalnikov Y, Pope BG, Popkov E, Prosper HB, Protopopescu S, Qian J, Quintas PZ, Raja R, Rajagopalan S, Reay NW, Reucroft S, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R, Rutherfoord J, Santoro A, Sawyer L, Schamberger RD, Schellman H, Schwartzman A, Sculli J, Sen N, Shabalina E, Shankar HC, Shivpuri RK, Shpakov D, Shupe M, Sidwell RA, Singh H, Singh JB, Sirotenko V, Slattery P, Smith E, Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song XF, Sorín V, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbrück G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Tarazi J, Tartaglia M, Thomas TL, Thompson J, Toback D, Trippe TG, Turcot AS, Tuts PM, van Gemmeren P, Vaniev V, Varelas N, Volkov AA, Vorobiev AP, Wahl HD, Warchol J, Watts G, Wayne M, Weerts H, White A, White JT, Wightman JA, Willis S, Wimpenny SJ, Wirjawan JV, Womersley J, Wood DR, Yamada R, Yamin P, Yasuda T, Yip K, Youssef S, Yu J, Yu Y, Zanabria M, Zheng H, Zhou Z, Zhu ZH, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev EG, and Zylberstejn A
Abstract: We report on a measurement of sigma(pp-->W+X)B(W-->taunu) in pp collisions at sqrt[s]=1.8 TeV at the Fermilab Tevatron. The measurement is based on an integrated luminosity (lum) of 18 pb-1 of data collected with the D0 detector during 1994-1995. We find that sigma(pp-->W+X)B(W-->taunu)=2.22+/-0.09 (stat)+/-0. 10 (syst)+/-0.10 (lum) nb. Lepton universality predicts that the ratio of the tau and electron electroweak charged current couplings to the W boson, gWtau/gWe, be unity. We find gWtau/gWe=0.980+/-0.031, in agreement with lepton universality.
Published: 2000
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183. Small-angle muon and bottom-quark production in p&pmacr; collisions at radicals = 1.8 TeV

Author: Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song XF, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, Strovink M, Sznajder A, Tamburello P, Tarazi J, Tartaglia M, and Thomas TL
Abstract: This Letter describes a measurement of the muon cross section originating from b-quark decay in the forward rapidity range 2.4<| y(&mgr;)|<3.2 in p&pmacr; collisions at sqrt[s] = 1.8 TeV. The data used in this analysis were collected by the D0 experiment at the Fermilab Tevatron. We find that next-to-leading-order QCD calculations underestimate b-quark production by a factor of 4 in the forward rapidity region.
Published: 2000
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184. Differential production cross section of Z bosons as a function of transverse momentum at sqrt

Author: Smith RP, Snihur R, Snow GR, Snow J, Snyder S, Solomon J, Song XF, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, Strovink M, Sznajder A, Tamburello P, Tarazi J, Tartaglia M, and Thomas TL
Abstract: We present a measurement of the transverse momentum distribution of Z bosons produced in p&pmacr; collisions at sqrt[s] = 1.8 TeV from data collected by the DO experiment at the Fermilab Tevatron Collider. We find good agreement between our results and current resummation calculations, and also use our data to extract nonperturbative parameters for a particular version of the resummation formalism. The resulting values are significantly more precise than obtained in previous determinations.
Published: 2000
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185. Isolated photon cross section in p&pmacr; collisions at radicals = 1. 8 TeV

Author: Snyder S, Solomon J, Song XF, Sorin V V, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Tarazi J, Tartaglia M, Thomas TL, Thompson J, Toback D, and Trippe TG
Abstract: We report a new measurement of the cross section for the production of isolated photons with transverse energies ( E(gamma)(T)) above 10 GeV and pseudorapidities |eta|<2.5 in p&pmacr; collisions at sqrt[s] = 1.8 TeV. The results are based on a data sample of 107.6 pb(-1) recorded during 1992-1995 with the D0 detector at the Fermilab Tevatron collider. The background, predominantly from jets which fragment to neutral mesons, was estimated using the longitudinal shower shape of photon candidates in the calorimeter. The measured cross section is in good agreement with the next-to-leading order QCD calculation for E(gamma)(T) greater, similar36 GeV.
Published: 2000
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186. Search for second-generation leptoquark pairs in &pmacr;p collisions at radicals = 1.8 TeV

Author: Snow J, Snyder S, Solomon J, Song XF, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Tarazi J, Tartaglia M, Thomas TL, Thompson J, Toback D, and Trippe TG
Abstract: We have searched for second-generation leptoquark (LQ) pairs in the &mgr;&mgr;+jets channel using 94+/-5 pb(-1) of &pmacr;p collider data collected by the D0 experiment at the Fermilab Tevatron during 1993-1996. No evidence for a signal is observed. These results are combined with those from the &mgr;nu+jets and nunu+jets channels to obtain 95% confidence level (C.L.) upper limits on the LQ pair production cross section as a function of mass and beta, the branching fraction of a LQ decay into a charged lepton and a quark. Lower limits of 200(180) GeV/c(2) for beta = 1(1 / 2) are set at the 95% C.L. on the mass of scalar LQ. Mass limits are also set on vector leptoquarks as a function of beta.
Published: 2000
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187. Measurement of the W boson mass using electrons at large rapidities

Author: Song XF, Sosebee M, Sotnikova N, Souza M, Stanton NR, Steinbruck G, Stephens RW, Stevenson ML, Stichelbaut F, Stoker D, Stolin V V, Stoyanova DA, Strauss M, Streets K, Strovink M, Stutte L, Sznajder A, Tamburello P, Tarazi J, Tartaglia M, Thomas TL, Thompson J, Toback D, Trippe TG, Turcot AS, and Tuts PM
Abstract: We report a measurement of the W boson mass based on an integrated luminosity of 82 pb(-1) from p&pmacr; collisions at sqrt[s] = 1.8 TeV recorded in 1994-1995 by the D0 detector at the Fermilab Tevatron. We identify W bosons by their decays to enu, where the electron is detected in the forward calorimeters. We extract the mass by fitting the transverse mass and the electron and neutrino transverse momentum spectra of 11 089 W boson candidates. We measure M(W) = 80.691+/-0.227 GeV. By combining this measurement with our previously published central calorimeter results from data taken in 1992-1993 and 1994-1995, we obtain M(W) = 80.482+/-0.091 GeV.
Published: 2000
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